UPSC NDA I 2016 Mathematics Solved Paper

Show Para  Hide Para 
For the next two (2) items that follow :
Consider the equation
ksinx+cos2x=2k−7
[NDA I 2016]
© examsiri.com
Question : 44 of 120
 
Marks: +1, -0
If the equation possess solution, then what is the minimum value of k ?
[NDA I 2016]
Go to Question: